Belt buckle



FIG. 1 is a front perspective view of the belt buckle;

FIG. 2 is a top view of the belt buckle;

FIG. 3 is a side view of the belt buckle;

FIG. 4 is a bottom view of the belt buckle;

FIG. 5 is a rear view of the belt buckle; and,

FIG. 6 is a front view of the belt buckle. 

The ornamental design for a belt buckle, as shown and described. 